diff --git a/dev-util/elf_diff/files/elf_diff-0.7.1-test-runner-exit.patch b/dev-util/elf_diff/files/elf_diff-0.7.1-test-runner-exit.patch
index 52b67911827f..036b6ea46647 100644
--- a/dev-util/elf_diff/files/elf_diff-0.7.1-test-runner-exit.patch
+++ b/dev-util/elf_diff/files/elf_diff-0.7.1-test-runner-exit.patch
@@ -1,3 +1,5 @@
+https://github.com/noseglasses/elf_diff/pull/123
+
 Make the exit status of test_main.py reflect whether tests passed.
 --- a/tests/test_main.py
 +++ b/tests/test_main.py